Product Details | SAFETY RELIEF VALVE

4820-00-248-6398 A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.

Part Alternates: CP1433, 1121555HCX2M, 1-1-2-1555HCX2M, 1555HC, 213759, 4820-00-248-6398, 00-248-6398, 4820002486398, 002486398

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 29 JUN 1973 00-248-6398

Drawings & Photos | NSN 4820-00-248-6398


Cross Reference | NSN 4820-00-248-6398

Part Number Cage Code Manufacturer
1-1-2-1555HCX2M 16497 DRESSER, INC. DBA DRESSER EQUIPMENT GROUP
1555HC 16497 DRESSER, INC. DBA DRESSER EQUIPMENT GROUP
213759 16497 DRESSER, INC. DBA DRESSER EQUIPMENT GROUP
CP1433 16497 DRESSER, INC. DBA DRESSER EQUIPMENT GROUP

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Technical Data | NSN 4820-00-248-6398

Characteristic Specifications
MATERIAL STEEL CORROSION RESISTING FLOW CONTROL DEVICE STEEL CORROSION RESISTING SEAT STEEL CORROSION RESISTING STEM
STYLE DESIGNATOR C1A ANGLE FLANGED ENDS
FIRST CONNECTION FACE TO CENTERLINE DISTANCE 5.750 INCHES
SECOND CONNECTION FACE TO CENTERLINE DISTANCE 7.000 INCHES
VALVE SIZE 1.500 INCHES
FLOW CONTROL DEVICE DISK
MEDIA FOR WHICH DESIGNED STEAM SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
VALVE DISCHARGE FLOW RATE 16300.0 POUNDS PER HOUR
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE FLANGE 1ST END FLANGE 2ND END
FLANGE SHAPE ROUND WITH HOLES 1ST END ROUND WITH HOLES 2ND END
NOMINAL OUTSIDE DIAMETER 6.125 INCHES 1ST END 7.500 INCHES 2ND END
NOMINAL THICKNESS 1.500 INCHES 1ST END 0.688 INCHES 2ND END
BOLT HOLE QUANTITY 4 1ST END 4 2ND END
BOLT HOLE NOMINAL DIAMETER 0.875 INCHES 1ST END 0.750 INCHES 2ND END
BOLT CIRCLE NOMINAL DIAMETER 4.500 INCHES 1ST END 6.000 INCHES 2ND END
FLANGE FACE DESIGN RAISED STRAIGHT 1ST END RAISED STRAIGHT 2ND END
RAISED FACE NOMINAL HEIGHT 0.250 INCHES 1ST END 0.062 INCHES 2ND END
RAISED FACE NOMINAL DIAMETER 2.875 INCHES 1ST END 5.000 INCHES 2ND END
RENEWABLE SEAT RING TYPE THREADED
BONNET TYPE OUTSIDE SCREW-YOKE
BONNET ATTACHMENT METHOD BOLTED
DISK LOADING METHOD SPRING
OPENING PRESSURE SETTING 473.0 POUNDS PER SQUARE INCH
FEATURES PROVIDED PRESSURE TIGHT OUTLET SIDE
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS AS DIFFERENTIATED BY ADJUSTABLE PRESSURE RANGE
MANUFACTURERS CODE 16497
DESIGN CONTROL REFERENCE CP1433

Restrictions/Controls & Freight Information | NSN 4820-00-248-6398

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 127220 PRESSURE REG/RED/RELIEF VALVES NOI
Less than car load rating P 77.5
Less than truck load rating P 77.5
Water commodity Code 594 unknown
Originating Activity Code HD Naval Inventory Control Point
Mechanicsburg, PA 17055-0788
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 4820-00-248-6398

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each